Member of Technical Staff - Principal Platform Engineer, Copilot Memory and Personalization · Microsoft AI

Fri, 06 Mar 2026 07:28:54 GMT
Engineering

Microsoft AI · Mountain View · USD $139,900 – $274,800 per year · onsite

Summary

Microsoft AI are looking for a talented Member of Technical Staff - Principal Platform Engineer, Copilot Memory and Personalization at their Mountain View office. This role sits at the heart of strategic decision-making, turning market data into actionable insights for a company that's revolutionising AI technology. You'll work directly with leadership to shape the company's direction in the AI market.

About the Role

As a Principal Platform Engineer, you will design and build large-scale Copilot memory and personalization systems leveraging search, embeddings, retrieval, ranking, and Retrieval-Augmented Generation (RAG). You will apply subject-matter expertise in cross-product features, collaborating with appropriate stakeholders to drive project plans, release plans, and deliverables across multiple groups. You will hold accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions.

Accountabilities

Design and build large-scale Copilot memory and personalization systems leveraging search, embeddings, retrieval, ranking, and Retrieval-Augmented Generation (RAG).

Apply subject-matter expertise in cross-product features, collaborating with appropriate stakeholders to drive project plans, release plans, and deliverables across multiple groups.

The Candidate we're looking for

Experience:

Bachelor’s Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.

Technical skills:

Experience building and deploying machine learning or large language model (LLM) applications at scale.

Experience designing and implementing large-scale embedding, retrieval, and ranking systems.

Personal attributes:

Thrive in a fast-paced, collaborative environment and are comfortable making progress in ambiguity.

Benefits

Software Engineering IC5 – The typical base pay range for this role across the U.S. is USD $139,900 – $274,800 per year.

Software Engineering IC6 – The typical base pay range for this role across the U.S. is USD $163,000 – $296,400 per year.